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An Information Portal to 108395 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1S1W
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5
    Temperature 277.0
    Details pH 5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 137.54 α = 90
    b = 114.69 β = 90
    c = 65.26 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1997-12-16
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM14
    Wavelength List 0.918
    Site ESRF
    Beamline BM14
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.7
    Resolution(Low) 30
    Number Reflections(Observed) 28062
    Percent Possible(Observed) 97.3
    R Merge I(Observed) 0.066
    B(Isotropic) From Wilson Plot 77.0
    Redundancy 4.99
     
    High Resolution Shell Details
    Resolution(High) 2.7
    Resolution(Low) 2.8
    Percent Possible(All) 96.3
    R Merge I(Observed) 0.474
    Mean I Over Sigma(Observed) 1.4
    Redundancy 3.39
    Number Unique Reflections(All) 2735
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.7
    Resolution(Low) 29.74
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 28031
    Number of Reflections(R-Free) 1359
    Percent Reflections(Observed) 97.1
    R-Factor(Observed) 0.198
    R-Work 0.206
    R-Free 0.28
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 75.9
    Anisotropic B[1][1] -0.3
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -8.22
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 8.52
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.7
    Shell Resolution(Low) 2.8
    Number of Reflections(R-Free) 124
    Number of Reflections(R-Work) 2357
    R-Factor(R-Work) 0.387
    R-Factor(R-Free) 0.421
    R-Free Error 0.038
    Percent Reflections(Observed) 86.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 12.25
    c_scbond_it 8.09
    c_mcangle_it 7.66
    c_mcbond_it 4.67
    c_improper_angle_d 1.02
    c_bond_d 0.011
    c_angle_deg 1.6
    c_dihedral_angle_d 23.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.34
    Luzzati Sigma A(Observed) 0.33
    Luzzati Resolution Cutoff(Low) 30.0
    Luzzati ESD(R-Free Set) 0.49
    Luzzati Sigma A(R-Free Set) 0.44
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7652
    Nucleic Acid Atoms 0
    Heterogen Atoms 22
    Solvent Atoms 66
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0